The brake line may be corroded and isn't allowing the brake fluid to flow back to the caliper. I used to see it on old Volvo's and VW's. Remove the line and test it with compressed air in both directions. Replace the steel lines and flex lines to the front brakes. Don't just do one side.
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The brake line may be corroded and isn't allowing the brake fluid to flow back to the caliper. I used to see it on old Volvo's and VW's. Remove the line and test it with compressed air in both directions. Replace the steel lines and flex lines to the front brakes. Don't just do one side.